.o_page {
  position: relative;
}

.o_container {
  max-width: 1680px;
}

.o_container_content {
  margin-right: auto;
  margin-left: auto;
  box-sizing: border-box;
}

.m_navName {
  padding-bottom: 50px;
}

.m_navName_inner {
  white-space: nowrap;
  font-size: 23px;
  letter-spacing: -3px;
  padding-bottom: 15px;
  display: inline-block;
  border-bottom: 1px solid #333333;
  font-family: Source Han Serif CN;
  color: #333333;
}

.head_navbar {
  justify-content: flex-end;
  padding: 32px 50px 57px 0;
}
.head_navbar .content .item {
  padding-left: 18px;
  font-size: 16px;
  font-family: Source Han Sans CN;
  color: #5b5b5b;
  white-space: nowrap;
}
.head_navbar .content .item img {
  margin-top: -3px;
  display: inline-block;
  margin-right: 4px;
}
.head_navbar .content .item_active {
  color: #bfbfbf;
}

@media screen and (min-width: 1280px) {
  .o_container_content {
    width: 950px;
  }

  .o_hero_area {
    padding-left: calc((100% + 440px - 1280px) * 0.5);
  }
}
@media print {
  .o_container_content {
    width: 950px;
  }

  .o_hero_area {
    padding-left: calc((100% + 440px - 1280px) * 0.5);
  }
}
@media screen and (min-width: 960px) {
  .o_container_inner {
    padding-left: 110px;
  }
}
@media screen and (min-width: 960px) and (max-width: 1279px) {
  .o_container_content {
    padding-right: 110px;
    padding-left: 110px;
  }

  .o_hero_area {
    padding-left: 220px;
  }
}
@media screen and (max-width: 959px) {
  .o_container_inner {
    padding-left: 75px;
  }

  .o_container_content {
    padding-right: 18px;
  }

  .o_hero_area {
    padding-left: 75px;
  }

  .head_navbar {
    padding: 25px 18px 78px 0 !important;
  }
  .head_navbar .content .item {
    font-size: 0;
  }
}
@media screen and (min-width: 1680px) {
  .o_hero_area {
    padding-left: 420px;
  }
}